Ray Peter Mangulabnan, MD
Internal Medicine Physician · Saginaw, MI
Ray Peter Mangulabnan, MD is an internal medicine physician with a practice address in Saginaw, Michigan, and NPI 1003804766, issued on Oct 7, 2005. Check the license (Michigan 4301072416, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Ray Peter Mangulabnan
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 4301072416 MI
Self-reported in NPPES; status is on the state search - Practice location
- 3170 Hallmark CT, Saginaw, MI 48603
- Phone
- (989) 790-1275
- Enumerated
- Oct 7, 2005
- Record last updated
- Dec 28, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (989) 249-4199
- Medicaid ID
- 4411167 MI
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →
Also registered at 3170 Hallmark CT
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Syed Sami, M.D.Interventional Pain Medicine Physician1023345782
Verify Ray Peter Mangulabnan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301072416Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average internal medicine physician in 2024
291 Medicare Part D claims for 40 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Atorvastatin Calcium30 claims
- Lisinopril18 claims
- Trazodone Hcl17 claims
- Amlodipine Besylate15 claims
- Omeprazole14 claims
- Tamsulosin Hcl13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Ray Peter Mangulabnan among 5,735 internal medicine physician records in Michigan
Ray Peter Mangulabnan, MD is one of 5,735 internal medicine physician records with a practice address in Michigan. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2007 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
169 internal medicine physician records list a practice address in Saginaw
They are 169 of the 6,008 NPPES records with a practice address in Saginaw, and 5,735 internal medicine physician records in Michigan.
All 5,735 in Michigan → Every provider in Saginaw → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Cecille Guarnes, M.DSaginaw, MI 486031215975636
- Harmohan Kochar, MDSaginaw, MI 486031376675033
- Mark Kuligowski, DOSaginaw, MI 486031629069406
- Dominador Laynes, M.D.Saginaw, MI 486031104915115
- Miles Light, MDSaginaw, MI 486031851384457
- Humera Malik, MDSaginaw, MI 486031861704660
- Gregg McLean, M.DSaginaw, MI 486031134161219
- Nicholas Paron, M.D.Saginaw, MI 486031568446540
Common questions
What is Ray Peter Mangulabnan, MD's NPI number?
Ray Peter Mangulabnan, MD's National Provider Identifier (NPI) is 1003804766, issued on Oct 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ray Peter Mangulabnan, MD located?
The NPPES record lists a practice address at 3170 Hallmark CT, Saginaw, MI, 48603. Phone: (989) 790-1275. Providers update this record themselves, so call before visiting.
How can I verify Ray Peter Mangulabnan, MD's license?
NPPES lists Michigan license number 4301072416, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ray Peter Mangulabnan, MD prescribe under Medicare Part D?
In 2024, Ray Peter Mangulabnan, MD had 291 Medicare Part D claims for 40 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.